Memory card connection arrangement

Details Memory card connection arrangement Memory card connection arrangement

2001-01-10

2003-10-14

Bradley, P. Austin (Department: 2833)

Electrical connectors

Preformed panel circuit arrangement, e.g., pcb, icm, dip,...

Within distinct housing spaced from panel circuit arrangement

C439S607070

Reexamination Certificate

active

06632097

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a memory card connection arrangement, and more particularly, to a connection arrangement which includes a top cover with joint flanges and locking grooves, a side frame with joint holes for connection with the joint flanges of the top cover and a bottom plate with hooks for engaging into the locking grooves of the top cover. Accordingly, the whole housing of the memory card is formed by means that the metal components are overlapped in a tight connection for avoidance of the electromagnetic interference. Besides, it's easy in assembly and compact in connection.
2. Description of the Prior Art
The conventional memory card connection arrangement are generally achieved by hot melt adhesive, supersonic waves, laser welding or mechanic fastening. However, there are the following drawbacks in application of the aforementioned methods:
1. In using the hot melt adhesive, the processing duration is long, its cost is higher. Meanwhile, the finished products include clearance, thereby causing electromagnetic interference. In addition, it's easily bent in heating.
2. In using the supersonic waves, it's easily damaged in processing. Moreover, the finished products includes clearance, thereby causing electromagnetic interference.
3. In using the laser welding, the processing duration is long, its cost is higher. Meanwhile, the equipment is very expensive.
4. In using the mechanic fastening, as shown in
FIG. 1
, one side of a top cover
100
is extended with a hooking element
1001
for hooking on a flange
2001
of a side frame
200
. The bending member
3001
at side end of a bottom plate
300
is engaged into a receiving groove
2002
at bottom of side frame
200
. Accordingly, the components are connected as a whole. It's convenient in processing and the cost is therefore reduced. However, it is easily loosened because of bad connection strength.
SUMMARY OF THE INVENTION
It is a primary object of the present invention to remove the aforementioned drawbacks and to provide a memory card connection arrangement in which a top cover is provided with a plurality of joint flanges for engaging into joint holes of a side frame, and a plurality of locking grooves for receiving hooks of a bottom plate. In assembly, it's only required to align each component for a tight, stable, convenient and easy connection.
It is another object of the present invention to provide a memory card connection arrangement in which the top cover and the bottom plate are connected in overlapped manner so that the whole rims thereof are effectively isolated and completely covered for avoidance of the electromagnetic interference.


REFERENCES:
patent: 5505628 (1996-04-01), Ramey et al.
patent: 5780365 (1998-07-01), Nogami et al.
patent: 6018461 (2000-01-01), Biermann et al.
patent: 6071149 (2000-06-01), Hara
patent: 6132223 (2000-10-01), Seeley et al.
patent: 6142793 (2000-11-01), Schremmer et al.
patent: 6146193 (2000-11-01), Yu
patent: 6152774 (2000-11-01), Yu
patent: 6166913 (2000-12-01), Fun et al.
patent: 6181564 (2001-01-01), Furusho
patent: 6191950 (2001-02-01), Cox et al.

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